On Tue, Aug 12, 2025 at 12:27:14PM +0200, Konrad Dybcio wrote:
> On 8/9/25 10:36 AM, Dmitry Baryshkov wrote:
> > None of MDP5 platforms have a LUT clock on the display-controller, it
>
> 8974 and friends seem to bind it to the GDSC
>
> although on msm-3.4:
>
> arch/arm/mach-msm/clock-8974.c
> 4197:static struct branch_clk mdss_mdp_lut_clk = {
> 4203: .dbg_name = "mdss_mdp_lut_clk",
> 4205: CLK_INIT(mdss_mdp_lut_clk.c),
> 4609: {&mdss_mdp_lut_clk.c, MMSS_BASE, 0x0015},
> 5118: CLK_LOOKUP("lut_clk", mdss_mdp_lut_clk.c, "mdp.0"),
> 5387: CLK_LOOKUP("lut_clk", mdss_mdp_lut_clk.c, "fd8c2304.qcom,gdsc"
At least it's not used on upstream (nor could I find relevant docs in
the HPG).
>
> Konrad
>
> > was added by the mistake. Drop it, fixing DT warnings on MSM8976 /
> > MSM8956 platforms. Technically it's an ABI break, but no other platforms
> > are affected.
> >
> > Fixes: 385c8ac763b3 ("dt-bindings: display/msm: convert MDP5 schema to YAML
> > format")
> > Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@oss.qualcomm.com>
> > ---
> > Documentation/devicetree/bindings/display/msm/qcom,mdp5.yaml | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/display/msm/qcom,mdp5.yaml
> > b/Documentation/devicetree/bindings/display/msm/qcom,mdp5.yaml
> > index
> > e153f8d26e7aaec64656570bbec700794651c10f..2735c78b0b67af8c004350f40ca9700c563b75f8
> > 100644
> > --- a/Documentation/devicetree/bindings/display/msm/qcom,mdp5.yaml
> > +++ b/Documentation/devicetree/bindings/display/msm/qcom,mdp5.yaml
> > @@ -60,7 +60,6 @@ properties:
> > - const: bus
> > - const: core
> > - const: vsync
> > - - const: lut
> > - const: tbu
> > - const: tbu_rt
> > # MSM8996 has additional iommu clock
> >
> > ---
> > base-commit: a933d3dc1968fcfb0ab72879ec304b1971ed1b9a
> > change-id: 20250809-msm8976-no-lut-4b5100bcfb35
> >
> > Best regards,
--
With best wishes
Dmitry
